🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826

Radius: 10.1

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.67 AU - 0.79 AU

Year: 431 Days

Day: 5.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,073,679 km

• M1: 125,662 km (0.109 R)
• M2: 498,311 km (0.106 R)
• M3: 1,299,258 km (0.076 R)
• M4: 1,758,224 km (0.104 R)
• M5: 2,268,353 km (0.081 R)
• M6: 2,758,136 km (0.084 R)
• M7: 3,258,242 km (0.115 R)
• M8: 3,662,605 km (0.034 R)
• M9: 4,114,241 km (0.099 R)
• M10: 4,572,908 km (0.095 R)
• M11: 4,970,539 km (0.049 R)
• M12: 6,030,589 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 8.7

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.94 AU - 1.3 AU

Year: 818 Days

Day: 13.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,073,679 km

• M1: 108,159 km (0.079 R)
• M2: 452,384 km (0.109 R)
• M3: 753,076 km (0.104 R)
• M4: 1,073,066 km (0.104 R)
• M5: 1,364,482 km (0.088 R)
• M6: 2,042,011 km (0.118 R)
• M7: 2,388,928 km (0.119 R)
• M8: 3,132,280 km (0.109 R)
• M9: 3,673,376 km (0.107 R)
• M10: 4,021,640 km (0.098 R)
• M11: 5,217,375 km (0.068 R)
• M12: 6,050,935 km (0.076 R)
• M13: 6,328,888 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.5

Radius: 10.7

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.7 AU - 1.78 AU

Year: 1584 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,073,679 km

• M1: 133,142 km (0.059 R)
• M2: 498,460 km (0.061 R)
• M3: 1,194,988 km (0.08 R)
• M4: 1,591,871 km (0.086 R)
• M5: 2,204,175 km (0.041 R)
• M6: 2,768,608 km (0.049 R)
• M7: 3,624,308 km (0.042 R)
• M8: 4,529,375 km (0.079 R)
• M9: 5,378,791 km (0.112 R)
• M10: 6,331,131 km (0.077 R)
• M11: 6,808,947 km (0.046 R)
• M12: 7,640,412 km (0.106 R)
• M13: 8,095,190 km (0.098 R)
• M14: 9,090,614 km (0.1 R)
• M15: 11,142,797 km (0.089 R)
• M16: 11,728,623 km (0.079 R)
• M17: 12,373,389 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 13.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.75 AU - 3.55 AU

Year: 3859 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,073,679 km

• M1: 173,833 km (0.111 R)
• M2: 619,784 km (0.089 R)
• M3: 1,703,172 km (0.078 R)
• M4: 2,420,194 km (0.053 R)
• M5: 3,929,338 km (0.101 R)
• M6: 4,538,949 km (0.099 R)
• M7: 5,211,391 km (0.055 R)
• M8: 5,810,232 km (0.03 R)
• M9: 6,380,798 km (0.088 R)
• M10: 9,299,004 km (0.059 R)
• M11: 10,420,838 km (0.081 R)
• M12: 12,270,317 km (0.079 R)
• M13: 13,333,658 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.1

Radius: 14.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.51 AU - 4.29 AU

Year: 5316 Days

Day: 12 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,073,679 km

• M1: 182,958 km (0.112 R)
• M2: 689,197 km (0.071 R)
• M3: 1,365,230 km (0.078 R)
• M4: 1,939,985 km (0.083 R)
• M5: 3,042,821 km (0.091 R)
• M6: 3,507,472 km (0.094 R)
• M7: 4,043,182 km (0.117 R)
• M8: 4,977,271 km (0.08 R)
• M9: 5,776,423 km (0.072 R)
• M10: 7,379,962 km (0.106 R)
• M11: 10,296,073 km (0.074 R)
• M12: 10,886,387 km (0.045 R)
• M13: 12,436,370 km (0.107 R)
• M14: 13,054,060 km (0.076 R)
• M15: 14,519,072 km (0.063 R)
• M16: 15,030,996 km (0.091 R)
• M17: 16,578,137 km (0.117 R)
• M18: 17,774,321 km (0.106 R)
• M19: 20,836,291 km (0.031 R)
• M20: 21,415,384 km (0.078 R)
• M21: 22,757,576 km (0.033 R)
• M22: 26,441,872 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.2

Radius: 14.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.63 AU - 5.25 AU

Year: 7579 Days

Day: 7.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,073,679 km

• M1: 179,069 km (0.106 R)
• M2: 781,798 km (0.092 R)
• M3: 1,365,081 km (0.091 R)
• M4: 1,962,574 km (0.066 R)
• M5: 2,449,665 km (0.09 R)
• M6: 3,146,642 km (0.108 R)
• M7: 3,897,025 km (0.087 R)
• M8: 4,370,053 km (0.052 R)
• M9: 5,030,677 km (0.104 R)
• M10: 5,593,464 km (0.103 R)
• M11: 6,589,188 km (0.077 R)
• M12: 7,110,686 km (0.1 R)
• M13: 7,700,102 km (0.075 R)
• M14: 8,279,345 km (0.069 R)
• M15: 11,099,713 km (0.089 R)
• M16: 14,323,547 km (0.11 R)
• M17: 15,524,369 km (0.099 R)
• M18: 15,983,485 km (0.111 R)
• M19: 18,054,369 km (0.11 R)
• M20: 27,852,880 km (0.078 R)
• M21: 28,826,163 km (0.07 R)
• M22: 33,706,644 km (0.107 R)
• M23: 34,366,820 km (0.092 R)
• M24: 35,148,020 km (0.113 R)
• M25: 35,713,200 km (0.097 R)
• M26: 36,861,963 km (0.115 R)
• M27: 37,798,445 km (0.091 R)
• M28: 38,870,912 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.7

Radius: 8.5

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.26 AU - 5.34 AU

Year: 8422 Days

Day: 13.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,073,679 km

• M1: 106,962 km (0.091 R)
• M2: 503,247 km (0.072 R)
• M3: 838,646 km (0.095 R)
• M4: 1,644,380 km (0.085 R)
• M5: 2,273,439 km (0.071 R)
• M6: 2,993,005 km (0.106 R)
• M7: 3,350,843 km (0.063 R)
• M8: 3,808,313 km (0.091 R)
• M9: 4,255,162 km (0.088 R)
• M10: 4,848,467 km (0.076 R)
• M11: 6,333,375 km (0.092 R)
• M12: 7,440,549 km (0.111 R)
• M13: 8,301,036 km (0.074 R)
• M14: 8,755,515 km (0.089 R)
• M15: 9,534,919 km (0.119 R)
• M16: 10,079,605 km (0.088 R)
• M17: 11,330,992 km (0.103 R)
• M18: 11,942,248 km (0.053 R)
• M19: 13,230,436 km (0.084 R)
• M20: 14,549,590 km (0.083 R)
• M21: 23,692,712 km (0.102 R)
• M22: 26,506,648 km (0.072 R)
• M23: 27,673,961 km (0.109 R)
• M24: 28,501,835 km (0.1 R)
• M25: 34,028,280 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.1

Radius: 5.8

Gravity: 18.26 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.83 AU - 7.59 AU

Year: 13363 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,073,679 km

• M1: 73,303 km (0.12 R)
• M2: 420,968 km (0.117 R)
• M3: 668,403 km (0.076 R)
• M4: 895,642 km (0.116 R)
• M5: 1,480,720 km (0.102 R)
• M6: 1,839,156 km (0.094 R)
• M7: 2,215,395 km (0.036 R)
• M8: 2,795,386 km (0.107 R)
• M9: 3,629,394 km (0.116 R)
• M10: 5,739,173 km (0.091 R)
• M11: 6,150,118 km (0.081 R)
• M12: 6,580,362 km (0.066 R)
• M13: 7,457,155 km (0.09 R)
• M14: 8,695,825 km (0.116 R)
• M15: 8,939,370 km (0.094 R)
• M16: 9,440,374 km (0.081 R)
• M17: 9,645,772 km (0.096 R)
• M18: 13,483,555 km (0.12 R)
• M19: 18,469,204 km (0.096 R)
• M20: 18,871,921 km (0.066 R)
• M21: 23,697,799 km (0.094 R)
• M22: 24,269,412 km (0.091 R)
• M23: 24,850,001 km (0.112 R)
• M24: 25,539,199 km (0.094 R)
• M25: 26,545,693 km (0.049 R)
• M26: 27,162,186 km (0.089 R)
• M27: 33,383,214 km (0.066 R)
• M28: 33,980,857 km (0.116 R)
• M29: 36,569,199 km (0.093 R)
• M30: 37,976,018 km (0.105 R)
• M31: 45,554,646 km (0.037 R)
• M32: 45,994,913 km (0.082 R)
• M33: 47,182,420 km (0.083 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 17,022 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit